kworker набирает 146%

[[email protected] xarek]# uname -a
Linux localhost 3.6.3-1-ARCH #2 SMP PREEMPT Mon Oct 22 12:55:44 CEST 2012 i686 GNU/Linux

[[email protected] xarek]# lspci 
00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev 02)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [AHCI mode] (rev 02)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02)
01:00.0 Ethernet controller: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) (rev 01)
03:00.0 Ethernet controller: Atheros Communications Inc. AR8132 Fast Ethernet (rev c0)

[[email protected] xarek]# lsmod 
Module                  Size  Used by
bsd_comp                4814  0 
ppp_synctty             5017  0 
ppp_async               6174  1 
crc_ccitt               1095  1 ppp_async
ppp_generic            19937  7 ppp_synctty,bsd_comp,ppp_async
slhc                    4366  1 ppp_generic
arc4                    1603  2 
snd_hda_codec_realtek    52245  1 
joydev                  7695  0 
coretemp                4894  0 
hid_generic              709  0 
ath5k                 125080  0 
snd_hda_intel          22256  3 
hid_a4tech              1680  0 
ath                    12381  1 ath5k
iTCO_wdt                4315  0 
snd_hda_codec          83677  2 snd_hda_codec_realtek,snd_hda_intel
i915                  440570  2 
iTCO_vendor_support     1545  1 iTCO_wdt
mac80211              366594  1 ath5k
snd_hwdep               4746  1 snd_hda_codec
snd_pcm                61470  2 snd_hda_codec,snd_hda_intel
snd_page_alloc          5869  2 snd_pcm,snd_hda_intel
uvcvideo               63387  0 
snd_timer              14902  1 snd_pcm
usbhid                 32179  0 
videobuf2_vmalloc       1896  1 uvcvideo
hid                    68189  3 hid_a4tech,hid_generic,usbhid
drm_kms_helper         28941  1 i915
videobuf2_memops        1594  1 videobuf2_vmalloc
acer_wmi               20544  0 
acpi_cpufreq            5141  1 
snd                    44874  12 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_hda_codec,snd_hda_intel
sparse_keymap           2532  1 acer_wmi
videobuf2_core         20846  1 uvcvideo
psmouse                71856  0 
mperf                   1023  1 acpi_cpufreq
soundcore               4378  1 snd
i2c_i801                8463  0 
videodev               79256  2 uvcvideo,videobuf2_core
media                   8545  2 uvcvideo,videodev
atl1c                  29390  0 
drm                   180042  3 i915,drm_kms_helper
cfg80211              153382  3 ath,ath5k,mac80211
i2c_algo_bit            4583  1 i915
pcspkr                  1455  0 
usb_storage            36856  0 
serio_raw               3713  0 
lpc_ich                 9213  0 
microcode               8921  0 
evdev                   7662  16 
uas                     8887  0 
rfkill                 12568  2 cfg80211,acer_wmi
i2c_core               16943  6 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,videodev
processor              24039  1 acpi_cpufreq
battery                 5213  0 
video                   9884  2 i915,acer_wmi
fan                     1998  0 
ac                      1892  0 
thermal                 6659  0 
button                  3710  1 i915
intel_agp               8592  1 i915
intel_gtt              12173  3 i915,intel_agp
agpgart                21935  3 drm,intel_agp,intel_gtt
wmi                     7195  1 acer_wmi
ext4                  402163  3 
crc16                   1091  1 ext4
jbd2                   66341  1 ext4
mbcache                 4345  1 ext4
sd_mod                 27311  5 
ata_generic             2434  0 
pata_acpi               2399  0 
uhci_hcd               19808  0 
ata_piix               19704  0 
ahci                   18660  4 
libahci                16811  1 ahci
libata                146063  5 ahci,pata_acpi,libahci,ata_generic,ata_piix
scsi_mod              113033  4 uas,usb_storage,libata,sd_mod
ehci_hcd               36652  0 
usbcore               126634  6 uas,uhci_hcd,uvcvideo,usb_storage,ehci_hcd,usbhid
usb_common               622  1 usbcore